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Pith Number

pith:6EAZMBVL

pith:2014:6EAZMBVLGDBGCCC25KU23FYBNR
not attested not anchored not stored refs pending

An exposition on Friedmann Cosmology with Negative Energy Densities

Bijunath R. Patla, Ravi Joshi, Robert J. Nemiroff

arxiv:1402.4522 v2 · 2014-02-18 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6EAZMBVLGDBGCCC25KU23FYBNR}

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Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-05-18T01:55:34.036584Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f1019606ab30c261085aeaa9ad97016c66ffba9f1f15f0df7feb4c3ff4405909

Aliases

arxiv: 1402.4522 · arxiv_version: 1402.4522v2 · doi: 10.48550/arxiv.1402.4522 · pith_short_12: 6EAZMBVLGDBG · pith_short_16: 6EAZMBVLGDBGCCC2 · pith_short_8: 6EAZMBVL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6EAZMBVLGDBGCCC25KU23FYBNR \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: f1019606ab30c261085aeaa9ad97016c66ffba9f1f15f0df7feb4c3ff4405909
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "37af813f06dba7109dd07f9b577ac112fa9e437c0bba796c3e197eb76defab8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-02-18T22:50:37Z",
    "title_canon_sha256": "c0006b96a420a530aa3a0dba217735db463c3362868185949238adc74cedc366"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4522",
    "kind": "arxiv",
    "version": 2
  }
}